Position your bike (with the kickstand out) as horizontally level as possible
Lift your seat into the upright position and remove the gas cap
Locate the carburetor and turn the selector valve to the "reserve" position
On the carburetor, at the bottom of the bowl, turn the thumb screw counterclockwise (four turns) to drain all gas
Once all gas is drained, tighten the thumb screw
Why do this?
If you don't ride your bike when the weather gets cold, leftover gas from the season can clog up jets and lines on your bike. Empty the gas tank and carburetor to prevent expensive and frustrating issues!